[lord_quas]

The reason to move to emacs is exactly because it has far more customizations available than vim does. Emacs' nerd tree equivalent is called undo tree, and its fantastic.

http://www.emacswiki.org/emacs/UndoTree

[johncoltrane]

No. NERDTree is file explorer, it has nothing to do with Emacs's UndoTree. The "equivalent" of UndoTree in Vim world would be Gundo.